dbe0e5c56f
The logic that introduced partitioned indexes missed a few things when invalidating a partitioned index when these are created, still the code is written to handle recursions: 1) If created from scratch because a mapping index could not be found, the new index created could be itself invalid, if for example it was a partitioned index with one of its leaves invalid. 2) A CCI was missing when indisvalid is set for a parent index, leading to inconsistent trees when recursing across more than one level for a partitioned index creation if an invalidation of the parent was required. This could lead to the creation of a partition index tree where some of the partitioned indexes are marked as invalid, but some of the parents are marked valid, which is not something that should happen (as validatePartitionedIndex() defines, indisvalid is switched to true for a partitioned index iff all its partitions are themselves valid). This patch makes sure that indisvalid is set to false on a partitioned index if at least one of its partition is invalid. The flag is set to true if *all* its partitions are valid. The regression test added in this commit abuses of a failed concurrent index creation, marked as invalid, that maps with an index created on its partitioned table afterwards. Reported-by: Alexander Lakhin Reviewed-by: Alexander Lakhin Discussion: https://postgr.es/m/14987634-43c0-0cb3-e075-94d423607e08@gmail.com Backpatch-through: 11 |
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README
PostgreSQL Database Management System ===================================== This directory contains the source code distribution of the PostgreSQL database management system. PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings. PostgreSQL has many language interfaces, many of which are listed here: https://www.postgresql.org/download See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.